/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 *
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef	_DEFS_H
#define	_DEFS_H

#ifdef __cplusplus
extern "C" {
#endif

#include <stdio.h>
#include <ctype.h>
#include <errno.h>
#include <pwd.h>
#include <grp.h>
#include <dirent.h>
#include <strings.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <netinet/in.h>

/*
 * The version number should be changed whenever the protocol changes.
 */
#define	VERSION	 3

#define	MAILCMD	 "/usr/lib/sendmail -oi -t"

	/* defines for yacc */
#define	EQUAL	1
#define	LP	2
#define	RP	3
#define	SM	4
#define	ARROW	5
#define	COLON	6
#define	DCOLON	7
#define	NAME	8
#define	STRING	9
#define	INSTALL	10
#define	NOTIFY	11
#define	EXCEPT	12
#define	PATTERN	13
#define	SPECIAL	14
#define	OPTION	15

	/* lexical definitions */
#define	QUOTE 	0200		/* used internally for quoted characters */
#define	TRIM	0177		/* Mask to strip quote bit */

	/* table sizes */
#define	HASHSIZE	1021
#define	INMAX	3500
#define	LINESIZE	BUFSIZ

	/* option flags */
#define	VERIFY	0x1
#define	WHOLE	0x2
#define	YOUNGER	0x4
#define	COMPARE	0x8
#define	REMOVE	0x10
#define	FOLLOW	0x20
#define	IGNLNKS	0x40
#define	OBITS "\020\1VERIFY\2WHOLE\3YOUNGER\4COMPARE\5REMOVE\6FOLLOW\7IGNLNKS"

	/* expand type definitions */
#define	E_VARS	0x1
#define	E_SHELL	0x2
#define	E_TILDE	0x4
#define	E_ALL	0x7

	/* actions for lookup() */
#define	LOOKUP	0
#define	INSERT	1
#define	REPLACE	2

#define	ISDIR(m) (((m) & S_IFMT) == S_IFDIR)

#define	ALLOC(x) (struct x *)malloc(sizeof (struct x))

struct namelist {	/* for making lists of strings */
	char	*n_name;
	struct	namelist *n_next;
};

struct subcmd {
	short	sc_type;	/* type - INSTALL,NOTIFY,EXCEPT,SPECIAL */
	short	sc_options;
	char	*sc_name;
	struct	namelist *sc_args;
	struct	subcmd *sc_next;
};

struct cmd {
	int	c_type;		/* type - ARROW,DCOLON */
	char	*c_name;	/* hostname or time stamp file name */
	char	*c_label;	/* label for partial update */
	struct	namelist *c_files;
	struct	subcmd *c_cmds;
	struct	cmd *c_next;
};

struct linkbuf {
	ino_t	inum;
	dev_t	devnum;
	int	count;
	char	pathname[LINESIZE];
	char	target[LINESIZE];
	struct	linkbuf *nextp;
};

extern int debug;		/* debugging flag */
extern int nflag;		/* NOP flag, don't execute commands */
extern int qflag;		/* Quiet. don't print messages */
extern int options;		/* global options */

extern int nerrs;		/* number of errors seen */
extern int rem;			/* remote file descriptor */
extern int iamremote;		/* acting as remote server */
extern char Tmpfile[];		/* file name for logging changes */
extern struct linkbuf *ihead;	/* list of files with more than one link */
extern struct passwd *pw;	/* pointer to static area used by getpwent */
extern struct group *gr;	/* pointer to static area used by getgrent */
extern char host[];		/* host name of master copy */
extern char buf[];		/* general purpose buffer */

char *makestr();
struct namelist *makenl();
struct subcmd *makesubcmd();
struct namelist *lookup();
struct namelist *expand();
char *exptilde();
char *printb();
void sendrem();

#ifdef __cplusplus
}
#endif

#endif	/* _DEFS_H */
